Bottle cap

FIG. 1 is a first perspective view of the bottle cap showing our new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is an enlarged top view thereof; and,

FIG. 8 is an enlarged bottom view thereof.

The broken lines depict portions of the bottle cap that form no part of the claimed design. The dot dash dot broken line is an unclaimed feature line that serves as a boundary to the claim. The broken lines below the dot dash dot broken line illustrating a bottle is environment that forms no part of the claimed design.